Home / 13,431,554.08-18,533,275.28-7,550,404.88

Finding the Fourth Proportional to 13,431,554.08, 18,533,275.28 and 7,550,404.88

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Solution

The fourth proportional to 13,431,554.08, 18,533,275.28 and 7,550,404.88 is: 10,418,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,554.08 : 18,533,275.28 = 7,550,404.88 : x
  2. Step 2: Convert to fraction form
    13,431,554.08/18,533,275.28 = 7,550,404.88/x
  3. Step 3: Cross multiply
    13,431,554.08x = 18,533,275.28 × 7,550,404.88
  4. Step 4: Simplify right side
    13,431,554.08x = 139,933,732,116,495.38
  5. Step 5: Solve for x
    x = 139,933,732,116,495.38/13,431,554.08
  6. Step 6: Final answer
    x = 10,418,283.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.